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Finding the Third Proportional to 44.50 and 77

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Solution

The third proportional to 44.50 and 77 is: 133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.50 : 77 = 77 : x
  2. Step 2: Convert to fraction form
    44.50/77 = 77/x
  3. Step 3: Cross multiply
    44.50x = 77 × 77
  4. Step 4: Simplify right side
    44.50x = 5,929
  5. Step 5: Solve for x
    x = 5,929/44.50
  6. Step 6: Final answer
    x = 133.24

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Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.